diff --git a/LICENSE b/LICENSE
new file mode 100644
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,19 @@
+Copyright (c) 2013, Kazuo Koga <obiwanko@me.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/Setup.hs b/Setup.hs
new file mode 100644
--- /dev/null
+++ b/Setup.hs
@@ -0,0 +1,2 @@
+import Distribution.Simple
+main = defaultMain
diff --git a/src/Yesod/Auth/SmbClient.hs b/src/Yesod/Auth/SmbClient.hs
new file mode 100644
--- /dev/null
+++ b/src/Yesod/Auth/SmbClient.hs
@@ -0,0 +1,74 @@
+{-# LANGUAGE OverloadedStrings #-}
+{-# LANGUAGE QuasiQuotes #-}
+
+module Yesod.Auth.SmbClient (authSmbClient) where
+
+import Control.Applicative ((<$>), (<*>))
+import Data.Text (Text)
+import System.Authenticate.SmbClient (loginSmbClient)
+import Text.Hamlet (hamlet)
+import Yesod.Auth (
+    AuthPlugin(..),
+    Creds(..),
+    Route(..),
+    loginErrorMessage,
+    setCreds,
+    YesodAuth(..))
+import Yesod.Core (
+    lift,
+    liftIO,
+    notFound,
+    toWidget)
+import Yesod.Form (
+    iopt,
+    runInputPost,
+    textField)
+
+pid = "posixpam"
+
+-- |The smbclient authentication plugin.
+authSmbClient :: YesodAuth m =>
+                 Text -- ^ Server
+              -> Text -- ^ Domain
+              -> AuthPlugin m
+authSmbClient server domain =
+    AuthPlugin pid dispatch login
+  where
+    dispatch "POST" [] = do
+        input <- lift $ runInputPost $ (,)
+                 <$> iopt textField "ident"
+                 <*> iopt textField "password"
+        case input of
+            (Just ident, Just password) -> do
+                auth <- validate ident password
+                either failed success auth
+            _ ->
+                failed undefined
+    dispatch _ _ = notFound
+
+    validate ident password =
+        liftIO $ loginSmbClient server domain ident password
+
+    success ident =
+        lift $ setCreds True $ Creds pid ident []
+    failed _ =
+        loginErrorMessage LoginR "Login failed."
+
+    url = PluginR pid []
+    login toMaster =
+        toWidget [hamlet|
+$newline never
+    <div #pamlogin>
+        <form method=post action=@{toMaster url} .form-horizontal>
+            <div .control-group>
+                <label .control-label>
+                    Username
+                <div .controls>
+                    <input type=text name=ident required>
+            <div .control-group>
+                <label .control-label>
+                    Password
+                <div .controls>
+                    <input type=password name=password required>
+            <div .form-actions>
+                <input type=submit .btn .btn-primary value="Login">|]
diff --git a/yesod-auth-smbclient.cabal b/yesod-auth-smbclient.cabal
new file mode 100644
--- /dev/null
+++ b/yesod-auth-smbclient.cabal
@@ -0,0 +1,71 @@
+-- For further documentation, see http://haskell.org/cabal/users-guide/
+
+-- The name of the package.
+name:                yesod-auth-smbclient
+
+-- The package version.  See the Haskell package versioning policy (PVP)
+-- for standards guiding when and how versions should be incremented.
+-- http://www.haskell.org/haskellwiki/Package_versioning_policy
+-- PVP summary:      +-+------- breaking API changes
+--                   | | +----- non-breaking API additions
+--                   | | | +--- code changes with no API change
+version:             1.0.0.0
+
+-- A short (one-line) description of the package.
+synopsis:            Authentication plugin for Yesod using smbclient
+
+-- A longer description of the package.
+description:         Provides smbclient authentication module that simply
+                     lets a user specify his/her identifier.
+
+-- The license under which the package is released.
+license:             MIT
+
+-- The file containing the license text.
+license-file:        LICENSE
+
+-- The package author(s).
+author:              Kazuo Koga <obiwanko@me.com>
+
+-- An email address to which users can send suggestions, bug reports, and
+-- patches.
+maintainer:          Kazuo Koga <obiwanko@me.com>
+
+-- A copyright notice.
+copyright:           (c) 2013 Kazuo Koga <obiwanko@me.com>
+
+homepage:            https://github.com/kkazuo/yesod-auth-smbclient.git
+bug-reports:         https://github.com/kkazuo/yesod-auth-smbclient.git/issues
+
+category:            Web, Yesod
+
+build-type:          Simple
+
+-- Constraint on the version of Cabal needed to build this package.
+cabal-version:       >=1.14
+
+library
+  default-language:  Haskell2010
+  hs-source-dirs:    src
+  ghc-options:       -Wall
+                     -fno-warn-missing-signatures
+
+  -- Modules exported by the library.
+  exposed-modules:   Yesod.Auth.SmbClient
+
+  -- Modules included in this library but not exported.
+  -- other-modules:
+
+  -- Other library packages from which modules are imported.
+  build-depends:     base <5
+                   , hamlet
+                   , sys-auth-smbclient ==2.0.*
+                   , text
+                   , yesod-auth
+                   , yesod-core
+                   , yesod-form
+
+source-repository this
+  type: git
+  location: https://github.com/kkazuo/yesod-auth-smbclient.git
+  tag: 1.0.0.0